- Kept the surname of her first husband, singer-songwriter Chuck Mitchell.
- Gave her daughter, born Kelly Dale Anderson, up for adoption in 1965; she was renamed Kilauren Gibb and eventually reconnected with Mitchell in 1997.
- Voted as the Top Female Performer of 1970 by Melody Maker Magazine.
- Originally recorded "Big Yellow Taxi" in 1970, a top-15 hit single in Canada, United Kingdom and Australia which has been covered numerous times by artists like The Neighborhood, Maire Brennan, Amy Grant and Counting Crows.
- Released the album Blue in 1971, listed as one of the 100 greatest albums of all time by Rolling Stone and Time.
- "Help Me," off her 1974 album Court and Spark, became her only Top 10 single, in June 1974.
- Inducted into the Canadian Music Hall of Fame in 1981
- Received the Governor General's Performing Arts Award, Canada's highest award for performing arts, in 1996.
- Inducted into the Rock and Roll Hall of Fame in 1997.
- Appointed a Companion of the Order of Canada, Canada's highest civilian honor, in 2002.